Publication: Transit timing observations from Kepler: III. Confirmation of four multiple planet systems by a Fourier-domain study of anticorrelated transit timing variations
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Date
2012
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Oxford University Press (OUP)
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Citation
Steffen, Jason H., Daniel C. Fabrycky, Eric B. Ford, Joshua A. Carter, Jean-Michel Désert, Francois Fressin, Matthew J. Holman, et al. 2012. “Transit Timing Observations from Kepler: III. Confirmation of Four Multiple Planet Systems by a Fourier-Domain Study of Anticorrelated Transit Timing Variations.” Monthly Notices of the Royal Astronomical Society 421 (3) (February 22): 2342–2354. doi:10.1111/j.1365-2966.2012.20467.x.
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Abstract
We present a method to confirm the planetary nature of objects in systems with multiple transiting exoplanet candidates. This method involves a Fourier-Domain analysis of the deviations in the transit times from a constant period that result from dynamical interactions within the system. The combination of observed anti-correlations in the transit times and mass constraints from dynamical stability allow us to claim the discovery of four planetary systems Kepler-25, Kepler-26, Kepler-27, and Kepler-28, containing eight planets and one additional planet candidate.
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Keywords
celestial mechanics, stars: individual (KIC 4349452, KIC 9757613, KIC 5792202, KIC 6949607), methods: data analysis, techniques: photometric
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